body,ul,li,h2{
    padding: 0;
    margin: 0;
}
ul{
    list-style: none;
}
body{
    font:14px/1.5 'helvetica neue', arial, 'hiragino sans gb', stheiti, 'wenquanyi micro hei', sans-serif;
}
img{
    width: 100%;
    height:100%;
}


  